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<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * @(#)ClasspathResourcesReadingProvider.java     5 Dec 2010</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * Copyright © 2010 Andrew Phillips.</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * ====================================================================</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> * Licensed under the Apache License, Version 2.0 (the "License");</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> * you may not use this file except in compliance with the License.</em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> * You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or </em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <em class="jxr_comment"> * implied.</em>
<a class="jxr_linenumber" name="17" href="#17">17</a>  <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
<a class="jxr_linenumber" name="18" href="#18">18</a>  <em class="jxr_comment"> * limitations under the License.</em>
<a class="jxr_linenumber" name="19" href="#19">19</a>  <em class="jxr_comment"> * ====================================================================</em>
<a class="jxr_linenumber" name="20" href="#20">20</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">package</strong> com.qrmedia.commons.multispi.provider;
<a class="jxr_linenumber" name="22" href="#22">22</a>  
<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> com.google.common.collect.Iterables.concat;
<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> com.google.common.collect.Iterables.transform;
<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> com.google.common.collect.Lists.newArrayList;
<a class="jxr_linenumber" name="26" href="#26">26</a>  
<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> java.io.IOException;
<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> java.net.URL;
<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> java.util.Enumeration;
<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> java.util.List;
<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> java.util.Set;
<a class="jxr_linenumber" name="32" href="#32">32</a>  
<a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> javax.annotation.Nonnull;
<a class="jxr_linenumber" name="34" href="#34">34</a>  
<a class="jxr_linenumber" name="35" href="#35">35</a>  <strong class="jxr_keyword">import</strong> com.google.common.base.Function;
<a class="jxr_linenumber" name="36" href="#36">36</a>  <strong class="jxr_keyword">import</strong> com.google.common.collect.ImmutableSet;
<a class="jxr_linenumber" name="37" href="#37">37</a>  
<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> * A {@link ResourceIoPerformingProvider} that reads all resources of a specified name</em>
<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_javadoccomment"> * (as returned by {@link ClassLoader#getResources(String)} and combines the results from</em>
<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_javadoccomment"> * processing each one.</em>
<a class="jxr_linenumber" name="42" href="#42">42</a>  <em class="jxr_javadoccomment"> * </em>
<a class="jxr_linenumber" name="43" href="#43">43</a>  <em class="jxr_javadoccomment"> * @author aphillips</em>
<a class="jxr_linenumber" name="44" href="#44">44</a>  <em class="jxr_javadoccomment"> * @since 5 Dec 2010</em>
<a class="jxr_linenumber" name="45" href="#45">45</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="46" href="#46">46</a>  <em class="jxr_javadoccomment"> * @param &lt;T&gt; the type of the resource that is read from the classpath and then processed</em>
<a class="jxr_linenumber" name="47" href="#47">47</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="48" href="#48">48</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">class</strong> ClasspathResourcesReadingProvider&lt;T&gt; <strong class="jxr_keyword">extends</strong> <a href="../../../../../com/qrmedia/commons/multispi/provider/ResourceIoPerformingProvider.html">ResourceIoPerformingProvider</a> {
<a class="jxr_linenumber" name="49" href="#49">49</a>      <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> Function&lt;? <strong class="jxr_keyword">super</strong> Class&lt;?&gt;, String&gt; resourceNameGenerator;
<a class="jxr_linenumber" name="50" href="#50">50</a>      <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> IoFunction&lt;URL, T&gt; resourceReader;
<a class="jxr_linenumber" name="51" href="#51">51</a>      
<a class="jxr_linenumber" name="52" href="#52">52</a>      <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">interface</strong> IoFunction&lt;F, T&gt; {
<a class="jxr_linenumber" name="53" href="#53">53</a>          T apply(@Nonnull F item) <strong class="jxr_keyword">throws</strong> IOException;
<a class="jxr_linenumber" name="54" href="#54">54</a>      }
<a class="jxr_linenumber" name="55" href="#55">55</a>  
<a class="jxr_linenumber" name="56" href="#56">56</a>      <strong class="jxr_keyword">protected</strong> <a href="../../../../../com/qrmedia/commons/multispi/provider/ClasspathResourcesReadingProvider.html">ClasspathResourcesReadingProvider</a>(
<a class="jxr_linenumber" name="57" href="#57">57</a>              @Nonnull Function&lt;? <strong class="jxr_keyword">super</strong> Class&lt;?&gt;, String&gt; resourceNameGenerator,
<a class="jxr_linenumber" name="58" href="#58">58</a>              @Nonnull IoFunction&lt;URL, T&gt; resourceReader) {
<a class="jxr_linenumber" name="59" href="#59">59</a>          <strong class="jxr_keyword">this</strong>.resourceNameGenerator = resourceNameGenerator;
<a class="jxr_linenumber" name="60" href="#60">60</a>          <strong class="jxr_keyword">this</strong>.resourceReader = resourceReader;
<a class="jxr_linenumber" name="61" href="#61">61</a>      }
<a class="jxr_linenumber" name="62" href="#62">62</a>  
<a class="jxr_linenumber" name="63" href="#63">63</a>      <em class="jxr_comment">/*<em class="jxr_comment"> (non-Javadoc)</em></em>
<a class="jxr_linenumber" name="64" href="#64">64</a>  <em class="jxr_comment">     * @see com.qrmedia.commons.multispi.provider.ResourceIoPerformingProvider#findServiceImplementationsWithIo(java.lang.Class)</em>
<a class="jxr_linenumber" name="65" href="#65">65</a>  <em class="jxr_comment">     */</em>
<a class="jxr_linenumber" name="66" href="#66">66</a>      @Override
<a class="jxr_linenumber" name="67" href="#67">67</a>      <strong class="jxr_keyword">protected</strong> Set&lt;String&gt; findServiceImplementationsWithIo(<strong class="jxr_keyword">final</strong> Class&lt;?&gt; serviceClass,
<a class="jxr_linenumber" name="68" href="#68">68</a>              ClassLoader classpathResourceLoader) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="69" href="#69">69</a>          List&lt;T&gt; resources = newArrayList();
<a class="jxr_linenumber" name="70" href="#70">70</a>          <strong class="jxr_keyword">for</strong> (Enumeration&lt;URL&gt; urls = classpathResourceLoader.getResources(
<a class="jxr_linenumber" name="71" href="#71">71</a>                  resourceNameGenerator.apply(serviceClass)); urls.hasMoreElements();) {
<a class="jxr_linenumber" name="72" href="#72">72</a>              resources.add(resourceReader.apply(urls.nextElement()));
<a class="jxr_linenumber" name="73" href="#73">73</a>          }
<a class="jxr_linenumber" name="74" href="#74">74</a>          <strong class="jxr_keyword">return</strong> ImmutableSet.copyOf(concat(transform(resources, 
<a class="jxr_linenumber" name="75" href="#75">75</a>                  <strong class="jxr_keyword">new</strong> Function&lt;T, Set&lt;String&gt;&gt;() {
<a class="jxr_linenumber" name="76" href="#76">76</a>                      <strong class="jxr_keyword">public</strong> Set&lt;String&gt; apply(T from) {
<a class="jxr_linenumber" name="77" href="#77">77</a>                          <strong class="jxr_keyword">return</strong> processResource(from, serviceClass);
<a class="jxr_linenumber" name="78" href="#78">78</a>                      }
<a class="jxr_linenumber" name="79" href="#79">79</a>                  })));        
<a class="jxr_linenumber" name="80" href="#80">80</a>      }
<a class="jxr_linenumber" name="81" href="#81">81</a>  
<a class="jxr_linenumber" name="82" href="#82">82</a>      <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">abstract</strong> @Nonnull Set&lt;String&gt; processResource(T resource, Class&lt;?&gt; serviceClass);
<a class="jxr_linenumber" name="83" href="#83">83</a>  }
</pre>
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